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Table 2 Prevalences and odds ratiosa used for estimating attributable mortality.b

From: Attributable mortality to radon exposure in Galicia, Spain. Is it necessary to act in the face of this health problem?

  37 Bq/m3 148 Bq/m3
  n Prevalence OR and 95% CI n Prevalence OR and 95% CI
Non-exposed non-smokers 2 1.3% 1.00 8 5% 1.00
Non-exposed ex-smokers 23 14.5% 34.14 (5.81-200.42) 63 39.6% 48.65 (13.01-181.91)
Non-exposed smokers 9 5.7% 14.38 (2.28-90.55) 46 28.9% 29.95 (8.12-110.48)
Exposed non-smokers 12 7.4% 2.50 (0.47-13.46) 6 3.9% 7.39 (1.68-32.56)
Exposed ex-smokers 51 32.1% 44.88 (8.13-247.63) 11 6.9% 24.07 (5.24-110.52)
Exposed smokers 62 39.0% 43.23 (7.96-234.92) 25 15.7% 53.41 (12.88-221.49)
  1. a Adjusted for sex, age, and family history of cancer.
  2. b Source: Barros-Dios JM, Barreiro Carracedo MA, Ruano-Ravina A, Figueiras A. Exposure to residential radon and lung cancer risk in Spain: a population-based case-control study. Am J Epidemiol. 2002. 156 (6): 548-55.